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Add error message if plugin is not loaded

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Closes #51
This commit is contained in:
Josh de Leeuw 2014-06-24 12:07:57 -04:00
parent eaf6219fa5
commit 8d2211b712
1 changed files with 8 additions and 1 deletions
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9
jspsych.js
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@ -324,7 +324,14 @@
// iterate through block list to create trials
for (var i = 0; i < exp_blocks.length; i++) {
var trials = jsPsych[opts["experiment_structure"][i]["type"]]["create"].call(null, opts["experiment_structure"][i]);
// check to make sure plugin is loaded
var plugin_name = experiment_structure[i].type;
if(typeof jsPsych[plugin_name] == 'undefined'){
throw new Error("Failed attempt to create trials using plugin type "+plugin_name+". Is the plugin loaded?");
}
var trials = jsPsych[plugin_name]["create"].call(null, opts["experiment_structure"][i]);
exp_blocks[i] = createBlock(trials);
}